Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications. Sheave Ø (mm) 22 mm ...

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one design sailboat applications: J105...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. ONE DESIGN APPLICATIONS This...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. ONE DESIGN...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. ONE DESIGN APPLICATIONS This...

High-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as head knockers on dinghies and beachcats for sheeting directly from the boom. Hole spacing and rivet size are the same as Classic models, making upgrades...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. ONE DESIGN APPLICATIONS This...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes. ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one...

The 16 mm is Harkens smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load. The 442...

Low-profile Dinghy blocks are compact and lightweight, with fast trim and release under high or low loads. Blocks are designed for dinghies and for light-duty control lines on larger boats.   ONE DESIGN APPLICATIONS This fitting is commonly used...

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. ONE DESIGN APPLICATIONS This fitting is commonly used and/or recommended for the following one design sailboat applications: MC Scow...

Stand-up bases allow a wide variety of blocks to be held upright, swivel freely, or pivot so lines have a fairlead under load. The ball-and-socket design lets blocks articulate up to 45 degrees and swivel freely. Th461 bases (high-load version of the...

Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center...

The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. ONE DESIGN APPLICATIONS This...

The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. ONE DESIGN APPLICATIONS This...

Self-contained sheaves are designed for sailors to use in custom applications. Two 160 sheaves make up the 161 dual-sheave universal lead. Use this sheave to divert a line that must turn in either direction. Sheave - 29 mm / 1 1/8 in Maximum line - 8 mm...